JAMIE IRONS graduated from Yale University in 1969 with a degree in molecular biology and biophysics. After internship at the University of Oregon, he and his wife, Nina Schwartz, M.D., crossed the continent on bicycles, traveled to North Africa, and returned to work as general practitioners in the Navajo Nation. After further studies at UCLA, where Irons was a Clinical Scholar, the two finally settled down in the Napa Valley. There they have raised four sons.